<fui-steps [current]="current">
  <fui-step-item *ngFor="let step of steps">{{step}}</fui-step-item>
</fui-steps>
<div class="operation">
  <button fuiBtn="primary" (click)="prev()" size="sm">上一步</button>
  <button fuiBtn="primary" (click)="next()" size="sm">下一步</button>
</div>
